Survey: Video is claiming a bigger chunk of online time

Social media, games and e-mail are the three most popular online activities, according to a Nielsen study, with video surging into fourth place. The results indicate that no entrepreneur can afford to ignore social media, Rieva Lesonsky writes, and now is a good time to start experimenting with video. Also, don't forget about e-mail -- but make sure it's optimized for mobile devices, where usage is actually increasing.